Slang
RNGesus / RNG gods
A joke that treats game luck like a person or god. RNGesus mixes RNG with Jesus and is also spelled RNGsus. It is an expression, not a game rule.
Usage examples
“RNGesus giveth, RNGesus taketh away” — A joke about lucky and unlucky random results following each other. For example, you draw the card you need, then a random effect goes against you. Players also use it when bad luck is followed by good luck.
“May RNGesus be with you” — A friendly way to wish someone good luck before a random effect, draw, game, or pack opening.